Key Points A somatic UBA2 deletion preceded the well-established leukemia initiating event ETV6-RUNX1 fusion in monozygotic twins with BCP-ALL. A shared complex rearrangement created an ETV6-RUNX1 fusion and provided evidence… Click to show full abstract
Key Points A somatic UBA2 deletion preceded the well-established leukemia initiating event ETV6-RUNX1 fusion in monozygotic twins with BCP-ALL. A shared complex rearrangement created an ETV6-RUNX1 fusion and provided evidence of a common clonal in utero origin.
               
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